Gagnon Securities

Gagnon Securities as of Sept. 30, 2011

Portfolio Holdings for Gagnon Securities

Gagnon Securities holds 130 positions in its portfolio as reported in the September 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Novadaq Technologies 6.5 $24M 5.6M 4.38
FXCM 5.5 $21M 1.5M 14.02
athenahealth 4.6 $17M 290k 59.55
RTI Biologics 4.5 $17M 5.1M 3.29
Red Hat 4.1 $15M 365k 42.26
General Finance Corporation 3.9 $15M 4.9M 2.95
Equinix 3.4 $13M 142k 88.83
Huron Consulting (HURN) 3.2 $12M 392k 31.13
Cymer 3.1 $12M 317k 37.18
Constant Contact 3.1 $12M 681k 17.29
Ellie Mae 2.9 $11M 2.0M 5.56
PLX Technology 2.8 $11M 3.5M 3.01
CarMax (KMX) 2.7 $10M 421k 23.85
Rudolph Technologies 2.6 $9.8M 1.5M 6.69
Ameres (AMRC) 2.6 $9.7M 952k 10.16
CNinsure 2.5 $9.6M 1.4M 7.00
DURECT Corporation 2.5 $9.2M 5.7M 1.61
Tangoe 2.5 $9.3M 819k 11.31
Com Dev International 2.3 $8.6M 5.6M 1.54
Icg Group 2.1 $8.0M 868k 9.21
General Finance Corp unit 99/99/9999 2.0 $7.6M 2.2M 3.50
Alpha & Omega Semiconductor (AOSL) 2.0 $7.4M 896k 8.21
Neovasc 1.9 $7.0M 7.9M 0.88
NetSuite 1.8 $6.8M 250k 27.01
Financial Engines 1.5 $5.6M 311k 18.11
Generac Holdings (GNRC) 1.3 $5.0M 264k 18.81
Air Lease Corp (AL) 1.3 $4.9M 257k 19.20
Antrim Energy 1.1 $4.0M 5.2M 0.77
Chart Industries (GTLS) 0.8 $3.2M 76k 42.17
ValueClick 0.8 $2.9M 187k 15.56
Gaylord Entertainment Company 0.6 $2.4M 126k 19.34
Hologic (HOLX) 0.5 $1.8M 118k 15.21
Akamai Technologies (AKAM) 0.5 $1.7M 87k 19.88
Gentex Corporation (GNTX) 0.5 $1.7M 72k 24.06
AMN Healthcare Services (AMN) 0.5 $1.7M 427k 4.01
Cytori Therapeutics 0.4 $1.7M 565k 2.95
NetGear (NTGR) 0.4 $1.6M 61k 25.89
Yahoo! 0.4 $1.5M 111k 13.16
Titan Pharmaceutical 0.4 $1.5M 1.1M 1.37
Electronic Arts (EA) 0.4 $1.4M 70k 20.45
LivePerson (LPSN) 0.4 $1.4M 145k 9.95
Pegasystems (PEGA) 0.4 $1.4M 46k 30.62
Celgene Corporation 0.4 $1.4M 23k 61.93
Cirrus Logic (CRUS) 0.4 $1.3M 91k 14.74
Inphi Corporation 0.3 $1.3M 150k 8.77
Mindspeed Technologies 0.3 $1.3M 255k 5.20
GameStop (GME) 0.3 $1.3M 55k 23.11
Vanda Pharmaceuticals (VNDA) 0.3 $1.2M 241k 4.95
Perficient (PRFT) 0.3 $1.2M 158k 7.32
Cadence Design Systems (CDNS) 0.3 $1.1M 122k 9.24
Apple (AAPL) 0.3 $1.0M 2.7k 381.04
Aviat Networks 0.3 $1.0M 431k 2.35
Nice Systems (NICE) 0.3 $979k 32k 30.35
Ceragon Networks (CRNT) 0.3 $972k 102k 9.55
Hemisphere GPS (HEM) 0.3 $986k 1.4M 0.71
Exar Corporation 0.2 $952k 167k 5.71
iRobot Corporation (IRBT) 0.2 $922k 37k 25.17
Rentrak Corporation 0.2 $943k 75k 12.59
Comscore 0.2 $931k 55k 16.87
Xfone (XFN) 0.2 $956k 2.2M 0.43
Thoratec Corporation 0.2 $887k 27k 32.66
Tekelec 0.2 $913k 151k 6.04
Healthways 0.2 $852k 87k 9.83
Monolithic Power Systems (MPWR) 0.2 $849k 83k 10.18
Nintendo (NTDOY) 0.2 $884k 48k 18.41
Sourcefire 0.2 $857k 32k 26.77
Corning Incorporated (GLW) 0.2 $829k 67k 12.36
InterNAP Network Services 0.2 $829k 169k 4.92
Digital River 0.2 $811k 39k 20.73
Cepheid 0.2 $831k 21k 38.83
Graham Corporation (GHM) 0.2 $840k 51k 16.65
Dex (DXCM) 0.2 $823k 69k 12.00
SciClone Pharmaceuticals 0.2 $821k 215k 3.81
Tellabs 0.2 $785k 183k 4.29
Ultimate Software 0.2 $780k 17k 46.71
PRGX Global 0.2 $784k 166k 4.72
ShoreTel 0.2 $750k 151k 4.98
Nxp Semiconductors Nv 0.2 $761k 21k 36.38
Maxwell Technologies 0.2 $719k 39k 18.40
MIPS Technologies 0.2 $729k 151k 4.84
Microchip Technology (MCHP) 0.2 $693k 22k 31.10
Monsanto Company 0.2 $652k 11k 60.00
Oplink Communications 0.2 $630k 42k 15.15
Daktronics (DAKT) 0.1 $575k 67k 8.57
Pitney Bowes (PBI) 0.1 $529k 28k 18.81
Ethan Allen Interiors (ETD) 0.1 $513k 38k 13.61
Peoples Financial Services Corp (PFIS) 0.1 $539k 20k 27.24
Vinda International Holdings 0.1 $545k 540k 1.01
Anadigics 0.1 $475k 220k 2.16
Ikanos Communications 0.1 $487k 566k 0.86
Archer Daniels Midland Company (ADM) 0.1 $447k 18k 24.83
Silicon Image 0.1 $465k 79k 5.87
NxStage Medical 0.1 $441k 21k 20.85
Vocus 0.1 $424k 25k 16.76
NetScout Systems (NTCT) 0.1 $424k 37k 11.43
Convio 0.1 $395k 47k 8.40
dELiA*s 0.1 $338k 256k 1.32
Taleo Corporation 0.1 $285k 11k 25.75
Monster Worldwide 0.1 $266k 37k 7.18
CommVault Systems (CVLT) 0.1 $276k 7.4k 37.08
Johnson & Johnson (JNJ) 0.1 $218k 3.4k 63.65
Research In Motion 0.1 $208k 10k 20.26
Atmel Corporation 0.1 $225k 28k 8.06
Kandi Technolgies 0.1 $238k 111k 2.15
Advanced Micro Devices Inc note 6.000% 5/0 0.1 $178k 182k 0.98
Delcath Systems 0.1 $170k 51k 3.34
Urban Outfitters (URBN) 0.1 $203k 9.1k 22.37
Flow International Corporation 0.1 $187k 85k 2.20
Alphatec Holdings 0.0 $154k 73k 2.12
Applied Energetics (AERG) 0.0 $146k 697k 0.21
QKL Stores 0.0 $151k 126k 1.20
Wonder Auto Technology 0.0 $116k 122k 0.95
Adtec Engineering 0.0 $113k 19k 6.02
Callwave 0.0 $116k 59k 1.98
Ichiyoshi Securities 0.0 $131k 22k 6.00
Micronics Japan Co Jpy50 0.0 $105k 17k 6.32
Pulte (PHM) 0.0 $85k 22k 3.96
Hovnanian Enterprises 0.0 $76k 62k 1.22
FormFactor (FORM) 0.0 $64k 10k 6.22
Xtreme Coil Drilling Corp 0.0 $81k 29k 2.85
Avelco Co Jpy50 0.0 $77k 20k 3.79
Ihara Science Corp 0.0 $77k 11k 7.33
ZipRealty 0.0 $44k 30k 1.47
Discovery Laboratories 0.0 $48k 24k 1.99
Comstock Homebuilding Companies 0.0 $11k 11k 0.97
TerreStar Corporation 0.0 $0 12k 0.00
NIVS IntelliMedia Technology 0.0 $12k 137k 0.09
S 0.0 $4.2k 212k 0.02
Valueclick Inc Cmn Stock cmn 0.0 $14k 200.00 70.00
Akela Pharma 0.0 $2.1k 21k 0.10